Decoding Faces from the Brain

In a fascinating new paper, researchers Hongmi Lee and Brice A. Kuhl report that they can decode faces from neural activity. Armed with a brain scanner, they can reconstruct which face a participant has in mind. It’s a cool technique that really seems to fit the description of ‘mind reading’ – although the method’s accuracy is only modest.

Here’s how they did it. Lee and Kuhl started out with a set of over 1000 color photos of different faces. During an fMRI scan, these images were shown to

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